ffmpeg -hwaccel vaapi -init_hw_device vaapi=hw:/dev/dri/renderD128 -hwaccel_flags allow_profile_mismatch -filter_hw_device hw -v verbose -i input.ivf -pix_fmt yuv420p -f rawvideo -vsync passthrough -autoscale 0 -vframes 100 -y output.yuv
ffmpeg -v verbose -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -i av1.mp4 -vcodec rawvideo -acodec copy -f matroska - | ffplay -i -
ffmpeg -hwaccel vaapi -init_hw_device vaapi=hw: /dev/dri/ renderD128 -hwaccel_flags allow_profile_ mismatch -filter_hw_device hw -v verbose -i input.ivf -pix_fmt yuv420p -f rawvideo -vsync passthrough -autoscale 0 -vframes 100 -y output.yuv
ffmpeg -v verbose -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -i av1.mp4 -vcodec rawvideo -acodec copy -f matroska - | ffplay -i -